Package org.codehaus.groovy.bsf

Class GroovyEngine

  • All Implemented Interfaces:
    java.beans.PropertyChangeListener, java.util.EventListener, org.apache.bsf.BSFEngine
    Direct Known Subclasses:
    CachingGroovyEngine
    public class GroovyEngine
extends org.apache.bsf.util.BSFEngineImpl
    A BSF Engine for the Groovy scripting language.

    It's inspired from the Jython engine

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected GroovyShell shell  

      • Fields inherited from class org.apache.bsf.util.BSFEngineImpl

        classLoader, classPath, declaredBeans, lang, mgr, tempDir

    • Constructor Summary

      Constructors 
      Constructor Description
      GroovyEngine()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object apply​(java.lang.String source, int lineNo, int columnNo, java.lang.Object funcBody, java.util.Vector paramNames, java.util.Vector arguments)
      Allow an anonymous function to be declared and invoked
      java.lang.Object call​(java.lang.Object object, java.lang.String method, java.lang.Object[] args)
      Call the named method of the given object.
      void declareBean​(org.apache.bsf.BSFDeclaredBean bean)
      Declare a bean
      java.lang.Object eval​(java.lang.String source, int lineNo, int columnNo, java.lang.Object script)
      Evaluate an expression.
      void exec​(java.lang.String source, int lineNo, int columnNo, java.lang.Object script)
      Execute a script.
      protected GroovyShell getEvalShell()  
      void initialize​(org.apache.bsf.BSFManager mgr, java.lang.String lang, java.util.Vector declaredBeans)
      Initialize the engine.
      void undeclareBean​(org.apache.bsf.BSFDeclaredBean bean)
      Undeclare a previously declared bean.

      • Methods inherited from class org.apache.bsf.util.BSFEngineImpl

        compileApply, compileExpr, compileScript, iexec, propertyChange, terminate

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • GroovyEngine

        public GroovyEngine()

    • Method Detail

      • apply

        public java.lang.Object apply​(java.lang.String source,
                              int lineNo,
                              int columnNo,
                              java.lang.Object funcBody,
                              java.util.Vector paramNames,
                              java.util.Vector arguments)
                       throws org.apache.bsf.BSFException
        Allow an anonymous function to be declared and invoked
        Specified by:
        apply in interface org.apache.bsf.BSFEngine
        Overrides:
        apply in class org.apache.bsf.util.BSFEngineImpl
        Throws:
        org.apache.bsf.BSFException

      • call

        public java.lang.Object call​(java.lang.Object object,
                             java.lang.String method,
                             java.lang.Object[] args)
                      throws org.apache.bsf.BSFException
        Call the named method of the given object.
        Throws:
        org.apache.bsf.BSFException

      • eval

        public java.lang.Object eval​(java.lang.String source,
                             int lineNo,
                             int columnNo,
                             java.lang.Object script)
                      throws org.apache.bsf.BSFException
        Evaluate an expression.
        Throws:
        org.apache.bsf.BSFException

      • exec

        public void exec​(java.lang.String source,
                 int lineNo,
                 int columnNo,
                 java.lang.Object script)
          throws org.apache.bsf.BSFException
        Execute a script.
        Specified by:
        exec in interface org.apache.bsf.BSFEngine
        Overrides:
        exec in class org.apache.bsf.util.BSFEngineImpl
        Throws:
        org.apache.bsf.BSFException

      • initialize

        public void initialize​(org.apache.bsf.BSFManager mgr,
                       java.lang.String lang,
                       java.util.Vector declaredBeans)
                throws org.apache.bsf.BSFException
        Initialize the engine.
        Specified by:
        initialize in interface org.apache.bsf.BSFEngine
        Overrides:
        initialize in class org.apache.bsf.util.BSFEngineImpl
        Throws:
        org.apache.bsf.BSFException

      • declareBean

        public void declareBean​(org.apache.bsf.BSFDeclaredBean bean)
                 throws org.apache.bsf.BSFException
        Declare a bean
        Specified by:
        declareBean in interface org.apache.bsf.BSFEngine
        Overrides:
        declareBean in class org.apache.bsf.util.BSFEngineImpl
        Throws:
        org.apache.bsf.BSFException

      • undeclareBean

        public void undeclareBean​(org.apache.bsf.BSFDeclaredBean bean)
                   throws org.apache.bsf.BSFException
        Undeclare a previously declared bean.
        Specified by:
        undeclareBean in interface org.apache.bsf.BSFEngine
        Overrides:
        undeclareBean in class org.apache.bsf.util.BSFEngineImpl
        Throws:
        org.apache.bsf.BSFException

      • getEvalShell

        protected GroovyShell getEvalShell()
        Returns:
        a newly created GroovyShell using the same variable scope but a new class loader